The B-500 portable tube chamfer machine produces high-quality chamfers within 45 seconds* without flames or sparks. Thanks to its compact design, it quickly mounts on pipes from 4 inches in diameter and with a wall thickness of 1/2" or less, and makes consistent chamfers in one operation.With RIDGID's portable B-500 pipe chamfer machine, you get reliable results every time. Chamfer tubes accurately in just 45 seconds, without flames or sparks. Factory finish thanks to 6 replaceable blades working simultaneously.